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Publications of Torsten Hoefler
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T. Hoefler:

 How fast will your application go? Static and dynamic techniques for application performance modeling.

(Presentation - presented in Hyderabad, India, May 2015)
Keynote talk at HIPS'15/LSPP'15 in conjuntion with IPDPS'15

Abstract

Many parallel applications suffer from latent performance limitations that may prevent them from utilizing resources efficiently while scaling to larger parallelism. Often, such scalability bugs manifest themselves only when an attempt to scale the code is actually being made---a point where remediation can be difficult. However, creating analytical performance models that would allow such issues to be pinpointed earlier is so laborious that application developers attempt it at most for a few selected kernels, running the risk of missing harmful bottlenecks. We discuss how to generate performance models for program scalability to identify scaling bugs early and automatically. We then briefly discuss key limitations of our first approach and show various techniques how to remedy them and enable efficient multi-parameter modeling that can be employed for hardware/software co-design. We will complete the overview by summarizing key research challenges that need to be addressed to enable fully automatic and accurate performance modeling.

Documents

download slides:
 

BibTeX

@misc{hoefler-hips-lspp-keynote,
  author={T. Hoefler},
  title={{How fast will your application go? Static and dynamic techniques for application performance modeling. }},
  year={2015},
  month={May},
  location={Hyderabad, India},
  source={http://www.unixer.de/~htor/publications/},
}

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